Some of the best
"Supernatural"episodes have explored time travel -- and this season, they're taking a new angle on the classic genre. This time, though, it's not Sam and Dean doing the decade-hop.

In episode 812, titled "As Time Goes By," we'll see a cult forming in 1958. The anti-demonic group has good intentions, as does Henry, a rookie member who joins the cult with the intention of protecting his 7-year-old son.

Described as "Robert Downey Jr. meets Cary Grant," Henry is dapper, smart, and considerably cocky... until he rips open a time portal and finds himself hurtled into 2013, where he's a little off his game. He doesn't time-travel alone, though. He's followed through the portal by 28-year-old Josie Sands, a sexy, strong Katharine Hepburn type... with a secret.

Needless to say, when Sam and Dean happen upon the time travelers in their hunt for a bloodthirsty demon, shenanigans ensue. Not to mention -- Henry's son would be 62 at this point, and we'd certainly expect him to factor in somehow.

If you recall, the Winchesters have time travel happen in a few different ways. While it's usually been the result of angel interference, they also confronted Father Time himself in a Season 7 episode.